The Linked Open British
National Bibliography
Neil Wilson
Head, Metadata Services
Making the Most of Metadata
February 12 ...
www.bl.uk 2
BL Metadata Provision
• The BL Act records our role as “ a
national centre for reference, study and
bibliograp...
www.bl.uk 3
BL Open Metadata Strategy
Aims:
• Enable innovation - without unnecessary barriers
• Break from library - form...
www.bl.uk 4
BL Open Metadata
• Over 1040 organisations in 98
countries now use BL Open Data
services
• Collaborated with M...
www.bl.uk 5
What is the British National
Bibliography?
The BNB:
• Covers books & new journals
published or distributed in ...
www.bl.uk 6
Why Create the Open BNB?
 A reusable dataset of published items
& not an institutional catalogue
 Permissive...
www.bl.uk 7
Linking
To give BNB data broader
context we linked to:
• General resources:
• GeoNames
• Lexvo
• RDF Book
Mash...
www.bl.uk 8
RDF Vocabularies
Bibliographic Resource
• Dublin Core
• Bibliographic Ontology
• ISBD
• British Library Terms
...
www.bl.uk 9
BNB Data Model
Publication as Event
@prefix dc:<http://purl.org/dc/elements/1.1/> .
@prefix dcterms:<http://pu...
www.bl.uk 10
BNB Data Model
Books
http://www.bl.uk/bibliographic/pdfs/bldatamodelbook.pdf
www.bl.uk 11
BNB Access Options
• BNB Basic RDF/XML DC dumps
• BNB Linked Open Datasets:
• BNB Books
• BNB Serials
…with V...
www.bl.uk 12
BNB Access Options
.
BNB 1950-2012
3.5 Million Records
98 Million Unique Triples
• bnb.data.bl.uk/sparql
• th...
www.bl.uk 13
Sample Queries
http://bnb.data.bl.uk/getting-started
.
www.bl.uk 14
Uses of BNB Data
www.bl.uk 15
More info…
http://www.bl.uk/bibliographic/datafree.html
http://bnb.data.bl.uk/faqs
http://bnb.data.bl.uk/gett...
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Making the most of metadata Feb 2014 - BNB Linked Data Update

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Presentation given at the 'Making the Most of Metadata' BL Labs event at the British Library, London in February 2014. Provides an update on the BNB LOD service.

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Making the most of metadata Feb 2014 - BNB Linked Data Update

  1. 1. The Linked Open British National Bibliography Neil Wilson Head, Metadata Services Making the Most of Metadata February 12 2014 © The British Library Board 2014
  2. 2. www.bl.uk 2 BL Metadata Provision • The BL Act records our role as “ a national centre for reference, study and bibliographical and other information services” • Metadata Services: • Originally offered priced services for national & international libraries • Evolved through many changes in format & delivery technologies • Offered free services from 2010 as part of the BL’s new open metadata strategy
  3. 3. www.bl.uk 3 BL Open Metadata Strategy Aims: • Enable innovation - without unnecessary barriers • Break from library - formats & use cross domain standards • Obtain attribution - while offering permissive licensing Offerings for: • Libraries - MARC21/Z39.50 • Researchers - RDF/XML & .CSV • Linked data developers - RDF Triples/SPARQL
  4. 4. www.bl.uk 4 BL Open Metadata • Over 1040 organisations in 98 countries now use BL Open Data services • Collaborated with Microsoft Research, W3C, UK Government, & developers on technical, standards & license challenges • Linked Open BNB • Cabinet Office best practice exemplar • Selected for inclusion in UK National Information Infrastructure (NII) • Open Data Institute certification • 2 million transactions monthly
  5. 5. www.bl.uk 5 What is the British National Bibliography? The BNB: • Covers books & new journals published or distributed in the UK & Ireland since 1950 • Describes popular and research level publications: • For adults & children • On all subjects • In all languages of publication • Includes nearly 3.5 million entries © Waldir/ Wikimedia Commons/ CC BY-SA-3.0
  6. 6. www.bl.uk 6 Why Create the Open BNB?  A reusable dataset of published items & not an institutional catalogue  Permissive License – can offer as CC0 Includes information on:  People  Places  Dates  Subjects Consistent format & structure Reflects over 60 years of contemporary UK interests
  7. 7. www.bl.uk 7 Linking To give BNB data broader context we linked to: • General resources: • GeoNames • Lexvo • RDF Book Mashup • Library resources: • LCSH • VIAF • Dewey.info
  8. 8. www.bl.uk 8 RDF Vocabularies Bibliographic Resource • Dublin Core • Bibliographic Ontology • ISBD • British Library Terms Event • Event Ontology • British Library Terms Place • WGS84 Geo Positioning Person/Organization • FOAF: Friend of a Friend • Bio: a Vocabulary for Biographical Information • Org: an Organisation Ontology • RDA Concept • SKOS • British Library Terms
  9. 9. www.bl.uk 9 BNB Data Model Publication as Event @prefix dc:<http://purl.org/dc/elements/1.1/> . @prefix dcterms:<http://purl.org/dc/terms> . <BibResource> dc:publisher “Publisher” ; dcterms:issued “Date” ; ?:placeOfPublication “Place” . @prefix blt:<http://www.bl.uk/schemas/bibliographic/blterms#> . @prefix event:<http://purl.org/NET/c4dm/event.owl#> . <BibResource> blt:publication <PublicationEvent> . <PublicationEvent> event:place <Place> ; event:agent <Publisher> ; event:time <Year> . Usual approach Event-based approach
  10. 10. www.bl.uk 10 BNB Data Model Books http://www.bl.uk/bibliographic/pdfs/bldatamodelbook.pdf
  11. 11. www.bl.uk 11 BNB Access Options • BNB Basic RDF/XML DC dumps • BNB Linked Open Datasets: • BNB Books • BNB Serials …with VoID descriptions • Updated monthly • Outputs available: • RDF/XML • N-Triples • JSON “Linking Open Data cloud diagram, by Richard Cyganiak and Anja Jentzsch. http://lod-cloud.net/”
  12. 12. www.bl.uk 12 BNB Access Options . BNB 1950-2012 3.5 Million Records 98 Million Unique Triples • bnb.data.bl.uk/sparql • thedatahub.org/dataset/bluk-bnb-basic • www.bl.uk/bibliographic/download.html • bnb.data.bl.uk
  13. 13. www.bl.uk 13 Sample Queries http://bnb.data.bl.uk/getting-started .
  14. 14. www.bl.uk 14 Uses of BNB Data
  15. 15. www.bl.uk 15 More info… http://www.bl.uk/bibliographic/datafree.html http://bnb.data.bl.uk/faqs http://bnb.data.bl.uk/getting-started http://bnb.data.bl.uk/docs http://twitter.com/#!/BLMetadata metadata@bl.uk http://www.bl.uk/bibliographic/datafree.html

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